Service difficulty report · Support Beam · Boeing 747412

Difficulty date
August 17, 2022
Submitted
August 23, 2022
Operation
Air carrier
Aircraft
N702CA
Make and model
Boeing 747412
Aircraft serial
27217
Aircraft time
84,651 hours, 13,117 cycles
Part
Support Beam
Part number
65B1186230
Part serial
NONE
Condition
Corroded
Location
Zone 600
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DURING HEAVY MAINTENANCE VISIT, CORROSION WAS FOUND ON RHW LEADING EDGE PANEL LOWER SUPPORT BEAM (P/N:65B11862-30) ADJACENT TO OLES 1523. THE PERMANENT REPAIR WAS ACCOMPLISHED IN ACCORDANCE WITH FLIGHT VEHICLES CONSULTING, LNC'S ENGINEERING ORDER 22125-1 REV IR, WHICH WAS APPROVED BY FAA FORM 8110-3 DATED ON AUGUST 12, 2022. DETAILS OF WORK WAS DOCUMENTED IN HAECO XIAMEN'S NRC WKL6261.